Home / 345,359,427.75-531,378,101.25

Finding the Third Proportional to 345,359,427.75 and 531,378,101.25

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Solution

The third proportional to 345,359,427.75 and 531,378,101.25 is: 817,590,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,359,427.75 : 531,378,101.25 = 531,378,101.25 : x
  2. Step 2: Convert to fraction form
    345,359,427.75/531,378,101.25 = 531,378,101.25/x
  3. Step 3: Cross multiply
    345,359,427.75x = 531,378,101.25 × 531,378,101.25
  4. Step 4: Simplify right side
    345,359,427.75x = 282,362,686,488,055,264
  5. Step 5: Solve for x
    x = 282,362,686,488,055,264/345,359,427.75
  6. Step 6: Final answer
    x = 817,590,787.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.